@misc{indiciae4e7da2089b4e,
  title = {Revised potentiometric-surface map, Yucca Mountain and vicinity, Nevada},
  author = {E. M. Ervin and R. R. Luckey and D.J. Burkhardt},
  year = {1993},
  doi = {10.3133/wri934000},
  url = {https://pubs.usgs.gov/publication/wri934000},
  note = {Source identifier: wri934000}
}